| U-boat | Type | Date | Commander |
| U-8 | IIB | 2 May 1945 | |
| U-14 | IIB | 2 May 1945 | |
| U-17 | IIB | 5 May 1945 | |
| U-120 | IIB | 2 May 1945 | Oblt. Rolf Rüdiger Bensel |
| U-121 | IIB | 2 May 1945 | Oblt. Friedrich Horst |
| U-57 | IIC | 3 May 1945 | |
| U-58 | IIC | 3 May 1945 | Oblt. Richard Schulz |
| U-59 | IIC | 3 May 1945 | |
| U-60 | IIC | 2 May 1945 | |
| U-61 | IIC | 2 May 1945 | |
| U-62 | IIC | 2 May 1945 | |
| U-137 | IID | 2 May 1945 | Oblt. Hans-Joachim Dierks |
| U-139 | IID | 2 May 1945 | Oblt. Walter Kimmelmann |
| U-140 | IID | 2 May 1945 | Oblt. Wolfgang Scherfling |
| U-141 | IID | 2 May 1945 | Oblt. Heinrich-Dietrich Hoffmann |
| U-142 | IID | 2 May 1945 | Oblt. Friedrich Baumgärtel |
| U-146 | IID | 2 May 1945 | Oblt. Carl Schauroth |
| U-148 | IID | 2 May 1945 | Oblt. Renko Tammen |
| U-151 | IID | 2 May 1945 | Oblt. Graf Ferdinand von Arco |
| U-152 | IID | 2 May 1945 | Oblt. Gernot Thiel |
20 Type II boats scuttled in May 1945.



